﻿<!DOCTYPE HTML>
<html lang="en-US">
<head>
	<meta charset="UTF-8">
	<title>border-radius制作扇形效果</title>
  <style type="text/css">
    .quarterCircle {
      background-color: orange;
      margin: 30px;      
    }
    .top {
      width: 100px;
      height: 100px;
      border-radius: 100px 0 0 0;
    }
    .right {
      width: 100px;
      height: 100px;
      border-radius: 0 100px 0 0;
    }
    .bottom {
      width: 100px;
      height: 100px;
      border-radius: 0 0  100px 0;
    }
    .left {
      width: 100px;
      height: 100px;
      border-radius: 0 0 0 100px;
    }
  </style>
</head>
<body>
	<div class="quarterCircle top"></div>
	<div class="quarterCircle right"></div>
	<div class="quarterCircle bottom"></div>
	<div class="quarterCircle left"></div>
</body>
</html>